Unit 2 Test - The Number System

Front

What is an ordered pair?

Back

An ordered pair is a pair of numbers used to locate a point on a coordinate plane, written in the form (x, y).

Front

What does the origin represent on a number line?

Back

The origin is the point where the number line crosses zero, representing the starting point for positive and negative numbers.

Front

How do you determine if a list of numbers is ordered from least to greatest?

Back

A list is ordered from least to greatest if each number is smaller than the next number in the list.

Front

If Tim spends $35.53 on blackberries at $2.53 per pound, how do you calculate the number of pounds he bought?

Back

Divide the total amount spent by the cost per pound: 35.53 ÷ 2.53 = 14 pounds.

Front

What is the quotient of two numbers?

Back

The quotient is the result of dividing one number by another.

Front

What does it mean for a statement to be true or false in mathematics?

Back

A true statement accurately reflects a mathematical fact, while a false statement does not.

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals, used to represent real numbers.

Front

How do you identify negative numbers on a number line?

Back

Negative numbers are located to the left of zero on a number line.

Front

What is the significance of the number zero in mathematics?

Back

Zero represents the absence of quantity and serves as the neutral point between positive and negative numbers.

Front

What is the difference between a whole number and a decimal?

Back

Whole numbers are non-negative integers (0, 1, 2, ...), while decimals represent fractions of whole numbers (e.g., 0.5, 1.2).